whether you are a faithful follower of the goings on at nasa, such as tracking the progress of the insight mars lander x or a diehard roddenberry fan, boldly going wherever you go, you're sure to love this rocket. The explorer aquarius is a skill level 4 kit that features a custom jig for perfect alignment assembly. Launched with an estes d12-5 engine (not included), the explorer aquarius can fly higher than 700 feet! you'll want to proudly display this show piece when it's not on the launch pad, so we've included a removable plastic display engine nozzle for the complete effect. Challenge your modeling dexterity with this uniquely designed craft.